Fisherbrand™ accumet™ AB250 Benchtop pH/ISE Meters

Provides intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisherbrand accumet AB250 pH/ISE meter provides flexible measurements of pH or ion concentration using an ion selective electrode (ISE) in one easy to use, reliable measurement system.

Catalog Number	Model	Includes	Certifications/Compliance
13-636-AB250A	AB250 pH/ISE Meter Only	Meter, Electrode Arm, RS-232 and USB Cables, 100/240V Power Supply	Without NIST-traceable pH Certificate
13-636-AB250	AB250 pH/ISE Kit	Meter, TRIS Compatible pH/ATC Electrode (13-620-631), Electrode Arm, RS-232 and USB Cables, 100/240V Power Supply	Without NIST-traceable pH Certificate
AB250CERT	AB250 pH/ISE Kit	Meter, TRIS compatible pH/ATC electrode (13-620-631), electrode arm, RS-232 and USB cables, 100/240 V power supply, and NIST traceability certificate	With NIST-traceable pH Certificate

Description

Provides intuitive, simple operation and high accuracy measurements in a compact, affordable meter. Fisherbrand accumet AB250 pH/ISE meter provides flexible measurements of pH or ion concentration using an ion selective electrode (ISE) in one easy to use,

• Graphic backlit display with date and time, stability indicator and alarms
• One to six point pH calibration with 0.001 pH resolution
• Automatic buffer recognition with four pH buffer sets or custom buffer option
• pH slope and offset display
• Two to six point ISE calibration with 0.001 ppm, mg/L or molar resolution
• Automatic or manual temperature compensation, displayed in °C or °F
• Password protection of calibration and setup modes
• 500 data set storage
• RS232 and USB interfaces
• Multilanguage interface with English, German, Chinese, French, Italian and Spanish
• Optional stirring probe (13-620-BSP) with five speed settings

NIST-Traceable Calibration Model (-CERT)

• Help meet ISO, FDA, USDA and EPA quality assurance guidelines
• Includes meter accuracy at five test points across pH range
• Includes meter accuracy at five test points across corresponding mV range
• Testing performed by accredited laboratory, includes NIST-Traceable certificate

Specifications

• pH Range: -2.000 to 20.000 pH
• pH Resolution: 0.1, 0.01, 0.001 pH
• pH Accuracy: ±0.002 pH
• ISE Range: 0.001 to 19999 ppm, mg/L or molar
• ISE Resolution: 0.001, 0.01, 0.1, 1 (automatic)
• ISE Accuracy: 0.5 % full scale (monovalent ion), 1 % full scale (divalent ion)
• mV Range: ±2000.0mV
• mV Resolution: 0.1mV
• mV Accuracy: ±0.2mV or ±0.05 %, whichever is greater
• mV Offset Adjustment: Up to ±150mV
• Temperature Range: 0° to 100°C (32° to 212.0°F)
• Temperature Resolution: 0.1°C (0.1°F)
• Temperature Accuracy: ±0.3°C (±0.5°F)
• Calibration Points: 1 to 6 points with automatic buffer recognition (ABR)
• ATC Temperature Calibration: Offset in 0.1°C increments; Offset range: ±5°C (±9°F)
• Self-Test: Yes
• Inputs: BNC, mini-phone ATC, ground
• Power Requirements: 100 to 240VAC, 50/60Hz

Applications

Academic, research, QA/QC, drinking water, wastewater, food, beverage, industrial

Certifications

Select models available with Certificate of NIST Traceability

Warranty and Services

3 years on meter

Specifications

• Outputs: RS232 (phono plug), mini-B USB, stirrer
• Accuracy (mV): ±0.2 mV
• Calibration Points (ISE): 2 to 6 points from one of following group, 0.001, 0.01, 0.1, 1, 10, 100, 0.01, 0.1, 1, 10, 100, 1000
• Data Management Details: Manual, timed (selectable every 3 to 3600 sec.), printer or CSV format
• Display Type: LCD
• Range (pH): -2 to 20
• Resolution (pH): 0.1/0.01/0.001
• Range (ISE): 0.001 to 19999 (±2000)
• Temperature Accuracy: ±0.3°C
• Warranty: 3 Years
• Frequency: 50/60Hz

• Accuracy (ISE): 0.5% full scale (monovalent ion), 1% full scale (divalent ion)
• Accuracy (pH): ±0.002
• Calibration Points (pH): Up to 6 preset or 5 custom
• Data Points: 500
• Range (mV): ±2000 mV
• Resolution (ISE): 0.001/0.01/0.1/1 (automatic)
• Inputs: BNC, ATC
• Resolution (mV): 0.1mV
• Temperature Resolution: 0.1°C
• Voltage: 100/240V